They are divided into two parts separated by a single space. Those two parts are the outward code and the inward code. The Powys outward code includes the postcode area and the postcode Pont Rhyd-y-berry district. The inward code includes the postcode sector and the postcode unit.

If you want to send a mail to Pont Rhyd-y-berry, you should use the corresponding Postcode. Pont Rhyd-y-berry Postcode district is LD3 9.